Maria Luiza Pessoa, Cain Clark, Alesandra Souza, Fábio Nakamura, Maria do Socorro Brasileiro-Santos, André Ribeiro, Diego Cristofaro, Clarice Martins
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All ethical procedures were followed, and the study had the approval of the local ethical board.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>When considered as a composition, adjusted for age, body mass index and sex, the 24-h movement composition (PA, SB and SD) significantly predicted better parasympathetic modulation (Root mean square of the successive differences [RMSSD] [<i>p</i> = 0.04; <i>r</i><sup>2</sup> = 0.13]), but not high frequency (HF) (nu) (<i>p</i> = 0.51, <i>r</i><sup>2</sup> = 0.01), low frequency (nu) (<i>p</i> = 0.52, <i>r</i><sup>2</sup> = 0.02),or standard deviation (standard deviation of normal-to-normal intervals) (<i>p</i> = 0.55, <i>r</i><sup>2</sup> = 0.02), respectively.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>These results suggest the 24-h movement composition predicted the RMSSD time-domain index related to parasympathetic activity.</p>\n </section>\n </div>","PeriodicalId":55262,"journal":{"name":"Child Care Health and Development","volume":"50 3","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The 24-h movement behaviours composition is associated with parasympathetic modulation in preschoolers\",\"authors\":\"Maria Luiza Pessoa, Cain Clark, Alesandra Souza, Fábio Nakamura, Maria do Socorro Brasileiro-Santos, André Ribeiro, Diego Cristofaro, Clarice Martins\",\"doi\":\"10.1111/cch.13263\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Aim</h3>\\n \\n <p>To investigate the associations between 24-h movement behaviours and heart rate variability (HRV) in preschool children.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>A total of 123 preschoolers (4.52 ± 0.25 years old; 62 girls) were assessed for physical activity (PA) and sedentary behaviour (SB) using an accelerometer (Actigraph WGT3x). Sleep duration (SD) was parent-reported. Children were laid down in a supine position for 10 min to assess HRV data. The R–R intervals recorded during the last 5 min of this period were analysed. We conducted compositional analysis in R studio, and the significance level was 95%. All ethical procedures were followed, and the study had the approval of the local ethical board.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>When considered as a composition, adjusted for age, body mass index and sex, the 24-h movement composition (PA, SB and SD) significantly predicted better parasympathetic modulation (Root mean square of the successive differences [RMSSD] [<i>p</i> = 0.04; <i>r</i><sup>2</sup> = 0.13]), but not high frequency (HF) (nu) (<i>p</i> = 0.51, <i>r</i><sup>2</sup> = 0.01), low frequency (nu) (<i>p</i> = 0.52, <i>r</i><sup>2</sup> = 0.02),or standard deviation (standard deviation of normal-to-normal intervals) (<i>p</i> = 0.55, <i>r</i><sup>2</sup> = 0.02), respectively.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusion</h3>\\n \\n <p>These results suggest the 24-h movement composition predicted the RMSSD time-domain index related to parasympathetic activity.</p>\\n </section>\\n </div>\",\"PeriodicalId\":55262,\"journal\":{\"name\":\"Child Care Health and Development\",\"volume\":\"50 3\",\"pages\":\"\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2024-05-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Child Care Health and Development\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/cch.13263\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"PEDIATRICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Child Care Health and Development","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/cch.13263","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PEDIATRICS","Score":null,"Total":0}
The 24-h movement behaviours composition is associated with parasympathetic modulation in preschoolers
Aim
To investigate the associations between 24-h movement behaviours and heart rate variability (HRV) in preschool children.
Methods
A total of 123 preschoolers (4.52 ± 0.25 years old; 62 girls) were assessed for physical activity (PA) and sedentary behaviour (SB) using an accelerometer (Actigraph WGT3x). Sleep duration (SD) was parent-reported. Children were laid down in a supine position for 10 min to assess HRV data. The R–R intervals recorded during the last 5 min of this period were analysed. We conducted compositional analysis in R studio, and the significance level was 95%. All ethical procedures were followed, and the study had the approval of the local ethical board.
Results
When considered as a composition, adjusted for age, body mass index and sex, the 24-h movement composition (PA, SB and SD) significantly predicted better parasympathetic modulation (Root mean square of the successive differences [RMSSD] [p = 0.04; r2 = 0.13]), but not high frequency (HF) (nu) (p = 0.51, r2 = 0.01), low frequency (nu) (p = 0.52, r2 = 0.02),or standard deviation (standard deviation of normal-to-normal intervals) (p = 0.55, r2 = 0.02), respectively.
Conclusion
These results suggest the 24-h movement composition predicted the RMSSD time-domain index related to parasympathetic activity.
期刊介绍：
Child: care, health and development is an international, peer-reviewed journal which publishes papers dealing with all aspects of the health and development of children and young people. We aim to attract quantitative and qualitative research papers relevant to people from all disciplines working in child health. We welcome studies which examine the effects of social and environmental factors on health and development as well as those dealing with clinical issues, the organization of services and health policy. We particularly encourage the submission of studies related to those who are disadvantaged by physical, developmental, emotional and social problems. The journal also aims to collate important research findings and to provide a forum for discussion of global child health issues.
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